Questions tagged [creature-design]

For questions regarding the viability of a life-form design. These questions should focus on biologically plausible creatures.

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What would a hybrid of a female giant scorpion and a male wyvern creature look like? [duplicate]

So I'm trying to think of what a hybrid between a dragon called a wyvern and a giant scorpion called a serket would look like, in the book series I am writing. I'm looking cor a coherent looking ...
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What would a hybrid of a male wyvern and a female giant scorpion creature look like? [closed]

So I'm trying to think of what a hybrid between a dragon called a wyvern and a giant scorpion called a serket would look like, in the book series I am writing. I'm looking cor a coherent looking ...
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2answers
78 views

What are the defining characteristics of a dragon? [closed]

Most of us can take one look at something ad say if it's a dragon or not with relative ease. So far the only features that all dragonic creature have in common is they're not real. they capture the ...
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Are retractable ears plausible?

My alien species is mostly "diurnal", but relies a lot on echolocation to find its way around. Although it has eyes and lives in places in which light availability isn't a problem, it's main ...
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1answer
93 views

The chosen one is destined to defeat the devil [closed]

Legend says the chosen one will be able to defeat the devil without fighting it. Over the years many brave adventurers have tried and miserably failed taking down the devil with various plans and ...
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5answers
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Saving the world by saving an entity

The world is at danger because the death of one singular entity called heart of the world is dying. Copyright 2014-2020 PeteMohrbacher The question is how do I link the death of the heart of world to ...
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3answers
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Anatomy of men with beards

Lest anyone think I am making fun of men with beards, I should point out that I am a man with a beard. A space-exploration team land on a new planet. They are surprised to discover that the local ...
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4answers
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Life points to live again

Life points are creatures spawning in random places around the world, they grow to the size of an apple and resemble hearts made of crystal of various colours. They get their names from the ability ...
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1answer
67 views

Could A Building Hold A Kaiju?

Assume the Kaiju is 200 feet tall and weighs 4,000 tonnes. The building is 180 feet tall and pretty much your average flat building. Could most buildings carry that weight on top or crawling up the ...
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Anatomically Correct Sliver [closed]

Slivers are a type of creature found throughout the multiverse of Magic: The gathering. Their most notable attribute is how each Sliver is able to share some unique ability with all other near Slivers....
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4answers
559 views

Reproductive capabilites of genetically altered humans

If I have a group of humans that were genetically altered in a similar way, but with different expression of effects in the individual (for example changed eyes, tail growth, wings, scaled skins, ...
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6answers
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How useful would a giant centipede-like creature be as a mount?

I am in the "drawing board" stage of creating fantasy mounts for my world and I was wondering how useful would a giant centipede-like creature be as a mount ? I am personally operating under ...
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What is the most energy efficient mode of travel by a land animal on a terrestrial planet with 0.1g at surface?

Imagine there is a planet similar to Earth but has a much lower density, the gravitational acceleration at mean sea level is approximately a tenth of Earth's. I am wondering how would a land animal ...
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Why would a dragon's underbelly be so vulnerable?

So, a common trope when it comes to dragons is that their underbellies and necks are vulnerable and covered with soft scales, whereas the back, head, and sides are very hard to damage. But why would ...
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Could a fungus fuse itself to a living creature and how could the creature pass this on?

Behold, a crocodile. The only thing that they have to worry about is hunger when they cannot catch a meal, and camouflage that is better than the eyes of their prey. What if a species of mushroom ...
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Alternative humanoids to occupy late Eocene Antarctica

So here's the idea, ~35 million years ago Antarctica was still quite habitable. This is far to early for hominids but what if a humanoid species arose in South America and migrated south into ...
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7answers
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Why do orcs have relatively longer period of immaturity?

Description of orcs: Adult healthy male looks like a wild boar walking on two legs towering at 4m tall and weights almost a metric tonne, average lifespan 150-175 years. Diet: Similar to a pig. Hobby: ...
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4answers
241 views

Could my Bicorn exist?

Its being a type of ungulate, some characteristics of my bicorn include: have hooves (of course) are carnivorous have two forward facing horns which they use to impale their prey are 3.3 ft (100.5 cm)...
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137 views

How many types of zombies? [closed]

So everyone who knows a little bit about biology has a vague idea that after catastrophic events or Apocalypses there's always a boom in the variety of animals which evolve. Creatures like us only ...
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6answers
230 views

Can a creature have a strong, but flexible neck?

I'm working on a creature that uses predominantly its clawed arms and sharp teeth to hunt down prey. The creature is bipedal, is around the size of a large lion and has similar strength, but greater ...
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7answers
875 views

How to decimate enemy armies without mutilating them? [closed]

Everyone could agree that smashing a sword or shooting an arrow onto your plate of food is not the brightest idea, but vampires are even more extreme. Vampires eat like spiders, they inject a ...
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6answers
866 views

Darkest hour, the beast which brings madness [closed]

Darkest hour is a flying creature who usually lives in the depths of the ocean. Once a year we see the darkest hour exits the waters and fly into the sky which will turn foggy and dark. The Darkest ...
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3answers
135 views

How can a creature evolve to have two separate food cycles?

A species of interdimentional predators exist in a separate reality from ours. They pass into different realities through portals which occasionally open up between worlds. Once there, they feed on ...
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1answer
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Can the dunkleosteus jaw model work on a land predator?

Dunkleosteus terreli might be the most well known species of placoderm by general media. Having inhabited the devonian seas, this impressive predator possessed an unique four bar linkage jaw mechanism,...
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137 views

Hand mouths evolution

You can skip to TL:DR down below Arms are strong, stronger than jaws. People can break each others arms just by playing. Grip strength can easily reach a point of crushing 75 kilograms and holding a ...
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2answers
129 views

Healing by harming others

No one heals themselves by harming one another, except the lykorthios of course! They are fierce creatures of the night shaped with the semblance of primates but with a mixture of canine features. ...
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13answers
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Why would evil minions raise humans to be their leaders?

Evil minions also known as goblins are creatures who steal or raise children of humans to be their leaders and to guide them on evil deeds. Humans raised by goblins are intelligent and good in the art ...
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Mcguffins, everyone wants them

A mcguffin is a creature who is wanted by many organizations on earth, wars were waged through history to obtain a mcguffin and to this day they still are. People sacrifice their lives seeking or ...
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5answers
417 views

Whats the fastest gestation possible?

There are numerous stories both in fantasy and sci-fi about some sort of biological swarm that consumes all it touches, stealing their genetics and then producing improved drones using the new DNA. ...
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Fauna evolved to use portals

Random portals of spherical shape are found on the surface of the planet, they are pitch black and have a diameter of 3 meters. Once something enters any of the many random portals, they are "...
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3answers
144 views

Reason for one sex to develop a hammerhead

I'm looking for a reason to explain why a species of fictional creatures resembling vaguely a shark has evolved this form of sexual dimorphism where one sex has an hammerhead and the other doesn't. ...
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2answers
158 views

A flying animal that would experience little to no drag?

I wanted to design a huge alien organism that resembles something like a jet. It lives on a low gravity planet that has 60% earth’s gravity and a similar atmosphere to earth. It would fly by ...
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3answers
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Properties of a distributed spell altering the appearance of creatures

In my story, a man lived under the influence of an evil sorcerer. In this world, magic takes energy to cast, and the energy required increases over distance, the sorcerer casted a spell focused around ...
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“Domesticating” microbes

I wanna know more about the plausibility of a creature having the ability to "domesticate" foreign cells. For example: a lizard with mouth infections bites my leg and the creature manages to run ...
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How much floofy can my werewolves get without making thermoregulation a problem?

Cue Computerphile ambient background sound here. The thing about werewolves in movies is that the costume designers, artists, and other special and practical effects folk have to compensate for a ...
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1answer
104 views

Tentacle fingers

For one of my tentacled alien species designs I was considering tentacle like fingers, even though an intelligent creature with many tentacle appendages could achieve a good level of dexterity and ...
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8answers
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Would it make sense for animalistic shifters to have mounts?

Would it make sense for animalistic shifters to have mounts when they can shift into a large feral-like form? That is, not humans that turn into animals, but a species of large humanoids that can ...
3
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1answer
98 views

Biological explosives

I want an organism to be capable of producing Diethylzinc or any other similar substance which on contact with external air explodes or ignites. The creature can be as complex as an animal or it can ...
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575 views

Ability to harden skin at will

How can one explain the ability of a creature to harden their skin to a solid strong enough to fend off predator bites? The skin must go from being elastic and flexible to being a biological shield ...
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1answer
96 views

Could a creature discard its skeletal system to function like an octopus?

For a long time now I tried to make my creature work. Being from an alien planet, I wished it to be humanoid and capable of flight, while also making it able to slip into small crevices, however, as ...
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1answer
49 views

Bipedal mole rats

Mole rats start evolving bipedalism. Are they more likely to stand upright like humans as seen in this photo Or is the idea of mole rats walking bent over like pandolins more realistic
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Could my chameleon dragon exist?

chameleon dragon are closely related to Parson's chameleon and some basic characteristics of them include: being ambush predators use active camouflage (similar to cuttlefish and some octopuses) are ...
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14answers
6k views

Which animal to breed to be a perfect assassin

What is the best choice when it come to deciding which animal to breed to be a perfect assassin? The animal must be smart enough to understand which person to kill and which not to. The animal ...
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1answer
231 views

Is a four-winged bird with two wingpairs atop of each other feasible?

For my newly created fantasy world (for a self-written RPG) I want to design some not-as-usual animals to give my players some feeling of otherness. One of my ideas is that of a bird-like creature but ...
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1answer
101 views

Ritualized wrestling for lizardfolk?

Asian water monitors. They're cute and intelligent, so I decided to base lizardfolk off of them. Nothing new there. Now, I also want to implement one interesting aspect of water monitors into them: ...
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Can humanity survive if all people are born females and later become males?

In the real world all humans start off as females in the womb and then develop male organs before being born. I'd like to expand that concept further to the humans in my world. In my world, humans ...
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1answer
106 views

Could my leviathans exist?

Leviathans are closely related to hydrophis spiralis. Some characteristics of these leviathans include: continuing to grow until they die and are able to grow almost as large as a blue whale are warm ...
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1answer
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Could bony-fish-like gills work with a lamprey-like respiratory tube

Would it be possible for a creature to have gills like a bony fish, but attached to a lamprey-like respiratory tube, so that it can pump water back and forth through the gills without using the mouth?
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Can a Slime run?

In my world slimes are intelligent creatures of various sizes which can take the shape of anything they like and change color to camouflage. A slime can camouflage as floor , as a box, a snake or ...
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2answers
107 views

What anatomical changes would you need to get 1 ton ride-able rodent?

So, I've decided that in my fantasy fiction, I want to have Megabara riders. Massive Capybaras, being ridden into a battle. I've done some basic research and I came across this extinct species that ...

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